SOLUTION: In the solution of the equation 5 - 3x = 2x + 9, 3x is added to the equation first. Which of the following should be done next?

Algebra ->  Permutations -> SOLUTION: In the solution of the equation 5 - 3x = 2x + 9, 3x is added to the equation first. Which of the following should be done next?       Log On


   

Question 629143: In the solution of the equation 5 - 3x = 2x + 9, 3x is added to the equation first. Which of the following should be done next?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

In finding the solution for x, the idea is to isolate the variable on one side of the EQ



5 - 3x = 2x + 9    |3x is added to the equation first

    5 = 5x + 9     | 9 is subtracted from EQ second

   -4 = 5x